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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 6 |
| 5 | 7 |
| 6 | 10 |
| 7 | 11 |
| 8 | 19 |
| 9 | 21 |
| 10 | 27 |
| 11 | 46 |
| 12 | 51 |
| 13 | 66 |
| 14 | 85 |
| 15 | 99 |
| 16 | 107 |
| 17 | 127 |
| 18 | 172 |
| 19 | 183 |
| 20 | 214 |
| 21 | 522 |
| 22 | 579 |
| 23 | 591 |
| 24 | 2170 |
| 25 | 2538 |
[1,2,3,6,7,10,11,19,21,27,46,51,66,85,99,107,127, 172,183,214,522,579,591,2170,2538] |